Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

:287–92

2003

Read source ↗ All evidence

Summary

This study investigated how incorporating n-3 fatty acid-rich ingredients into laying hen diets alters the fatty acid composition of egg yolk lipids. The authors likely found that dietary supplementation with n-3 sources resulted in measurable increases in long-chain omega-3 fatty acids in the yolk, improving the nutritional quality of eggs as a food product. The paper contributes to the evidence base for producing functional eggs with enhanced fatty acid profiles through dietary manipulation of laying hens.

UK applicability

Although conducted in Brazil, the findings are broadly applicable to UK poultry production, where there is commercial and consumer interest in producing omega-3 enriched eggs through hen feeding strategies; UK producers similarly use flaxseed and fish oil-based feeds to achieve comparable yolk enrichment.

Key measures

Fatty acid profile of egg yolk lipids (% of total fatty acids); n-3 and n-6 fatty acid concentrations; n-6:n-3 ratio

Outcomes reported

The study measured the fatty acid composition of egg yolk lipids from hens fed diets supplemented with n-3 fatty acid sources, reporting changes in the proportions of individual fatty acids, particularly omega-3 and omega-6 fatty acids, in the yolk.

Theme
Nutrition & health
Subject
Poultry nutrition & egg composition
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
Brazil
System type
Poultry production
Catalogue ID
XL0860

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.